The woman, Sarah Slocum, mentioned on Facebook that she was in a bar in the Haight-Ashbury neighborhood Friday night showing off the wearable computer accessory when someone took it from her face and ran, while another told her that she and her techie friends were "destroying the city," according to the San Francisco Chronicle.

While Slocum reportedly wasn't doing anything annoying or rude, Google has released a list of do's and don'ts for using Glass so users won't annoy people. None of them warn users to beware of class warfare.